Programs for viewing protein structure

[Mark Gosink]

Dear Netters:
 
   Does anyone know of any shareware (preferably freeware but at
least "cheap"ware) for the PC where one could enter X-ray
cystallographic data (such as from Brookhaven Protein Data Base) and obtain
a space-filling or a ribbon drawing of a protein. Speed is
unimportant but low cost is.
 
                              Thanks in advance,
 
                              Mark Gosink    (GOSINK at MACC.WISC.EDU)
 
 
                              Department of Horticulture
                              Univ. of Wisconsin